Day of Week Calculator
Find out what day of the week any date falls on.
Calculator
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Table of Contents
Concept
Day of Week Information
The day of the week is a recurring cycle of seven days that has been used since ancient times to organize time. The modern seven-day week is based on astronomical observations and has been standardized across most of the world.
Week Structure:
- Monday - First day of the week
- Tuesday - Second day
- Wednesday - Third day
- Thursday - Fourth day
- Friday - Fifth day
- Saturday - Sixth day
- Sunday - Seventh day
Concept
Calculation Methods
Understanding how days of the week are calculated:
Calculation Methods:
- Zeller's Congruence
- Gauss's Algorithm
- Doomsday Rule
- ISO Week Date System
Uses
Practical Uses
Use 1 Event Planning
Determine the day of the week for future events and plan accordingly.
Use 2 Historical Research
Verify historical dates and their corresponding days of the week.
Use 3 Business Scheduling
Plan business operations and schedules based on specific days of the week.
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